ovibos

There is another inhabitant of the high north of this continent which deserves the notice of those who are disposed to attend to the questions concerning the extension of man's control over nature; this is the ovibos or musk-ox.

Domesticated Animals Their Relation to Man and to his Advancement in Civilization Nathaniel Southgate Shaler 1873

He is not of large size -- being between the stature of an ox and a sheep -- and in general appearance he resembles the latter more than the former; hence, among naturalists, he is styled the Sheep ox (_ovibos_).

Quadrupeds, What They Are and Where Found A Book of Zoology for Boys Mayne Reid 1850

The ovibos or musk ox, an animal yet scarcely known in Europe.

Movement of the International Literary Exchanges, between France and North America from January 1845 to May, 1846 With Instructions for Collecting, Preparing, and Forwarding Objects of Natural History Written by The Professors Administrators of The Museum Of Natural History At Paris. And Instructions Relative to Anthropology and Zoology Isidore Geoffroy Saint-Hilaire 1833